Cosrx Acne Pimple Master Patch 24 Patches (3 Sizes)Size 24 patches (7mm x 10 each, 10mm x 5 each, and 12mm x 9 each) Skin types: all skin types dry, oil, combination, and sensitive How it works: patch easily covers the acne while absorbing exudation, thus reducing the risk of further infection How to use clean the area around the acne blemish and let it dry completely do not use skincare products prior to applying the patch apply the patch to cover the acne blemish change the patch if the patch swells